Force reinstall pip

Author: krishnangovindraj

.circleci/config.yml

@@ -802,9 +802,8 @@ jobs:
           apt update -y && apt install -y software-properties-common
           add-apt-repository -y ppa:deadsnakes/ppa
           apt update -y && apt install -y python3.9 python3.9-distutils python3-pip software-properties-common
-          python3.9 -m pip install -U cffi
+          python3.9 -m pip install -U --force-reinstall cffi
           export SYNC_DEPENDENCIES_TOKEN=$REPO_GITHUB_TOKEN
-          export BAZEL_PYTHON=$(which python3.9)
           bazel run @vaticle_dependencies//tool/sync:dependencies -- --source ${CIRCLE_PROJECT_REPONAME}@$(cat VERSION)
 
   release-cleanup: